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Technical Data Sheet
PartsTable / COMPONENT / 3780656
3780656 ✓ Verified by PartsTable
— · PIPE SECTION
WHAT YOU NEED TO KNOW
Schedule = wall thickness, NOT diameter Nominal pipe size != actual OD
Sch 40 and Sch 80 same OD, different wall
PRODUCT OVERVIEW

COVER,SWITCH ACTUATOR,NONLUMINOU. Key specifications include material: RUBBER SYNTHETIC OVERALL, bend_radius: 2.250 INCHES NOMINAL IN, outer_radius: 3.500 INCHES NOMINAL IN, wall_thickness: 0.180 INCHES NOMINAL IN, working_length: 14.000 INCHES NOMINAL IN, inside_diameter: 1.500 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-01-034-8389, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
3780656
NSN: 4720-01-034-8389
FSC: 4720
CAGE: 12204 — CHRYSLER REALTY COMPANY LLC DBA DAIMLER CHRYSLER (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
bend_radius2.250 INCHES NOMINAL IN
outer_radius3.500 INCHES NOMINAL IN
wall_thickness0.180 INCHES NOMINAL IN
working_length14.000 INCHES NOMINAL IN
inside_diameter1.500 INCHES NOMINAL IN
first_arm_length0.750 INCHES NOMINAL IN
special_featuresONE EXTRA BEND AT FIRST END
style_designatorTWO BEND MODIFIED "U"
second_arm_length1.500 INCHES NOMINAL IN
NSN4720-01-034-8389
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 3780656 · OEM ⚠ VERIFY BEFORE ORDERING Schedule = wall thickness, NOT pipe diameter. Sch 40 and Sch 80 have the same OD but different wall thickness. Nominal pipe size ≠ actual OD — a 1" pipe is actually 1.315" OD ✓ BROKER TIP Sch 40 = standard wall, Sch 80 = heavy wall (higher pressure), Sch 160 = extra heavy. Seamless pipe is required for high-pressure applications — welded pipe has lower ratings PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
WALL THICKNESS: 0.180 INCHES NOMINAL IN
•
SECOND ARM LENGTH: 1.500 INCHES NOMINAL IN
•
FIRST ARM LENGTH: 0.750 INCHES NOMINAL IN
•
STYLE DESIGNATOR: TWO BEND MODIFIED "U"
•
MATERIAL: RUBBER SYNTHETIC OVERALL
•
WORKING LENGTH: 14.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
WALL THICKNESS0.180 INCHES NOMINAL IN
SPECIAL FEATURESONE EXTRA BEND AT FIRST END
SECOND ARM LENGTH1.500 INCHES NOMINAL IN
FIRST ARM LENGTH0.750 INCHES NOMINAL IN
STYLE DESIGNATORTWO BEND MODIFIED "U"
MATERIALRUBBER SYNTHETIC OVERALL
MATERIALRUBBER SYNTHETIC COVER
WORKING LENGTH14.000 INCHES NOMINAL IN
OUTER RADIUS3.500 INCHES NOMINAL IN
INSIDE DIAMETER1.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
20630Interchangeable
interchangeable cross-reference
interchangeable
2063094Interchangeable
interchangeable cross-reference
interchangeable
A2063094Interchangeable
interchangeable cross-reference
interchangeable
A100379Interchangeable
interchangeable cross-reference
interchangeable
20630-4-4Interchangeable
interchangeable cross-reference
interchangeable
CG10-701-2134578REVGPC136Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3780656?
3780656 is a COVER,SWITCH ACTUATOR,NONLUMINOU.
What parts can replace 3780656?
There are 22 known substitutes for 3780656: 20630, 2063094, A2063094 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3780656?
3780656 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-01-034-8389. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026